Cloud migrations increase risk because they change system boundaries, ownership, and control points at the same time. Hybrid environments often mix legacy access models with new cloud services, which makes audits, segregation of duties, and privileged access harder to govern consistently. The result is more opportunity for excessive entitlements, hidden dependencies, and weak oversight during transition.
Why Cloud Migration Raises Risk in Hybrid SAP Landscapes
Cloud migration changes SAP access risk because it alters trust boundaries, identity stores, transport paths, and administrative responsibility at the same time. In hybrid SAP environments, that means legacy roles, RFCs, technical users, service accounts, and cloud-native privileges can coexist without a single control model. Guidance from the NIST Cybersecurity Framework 2.0 and NHIMG’s Ultimate Guide to NHIs both point to the same problem: identity governance must follow the asset and the workload, not the deployment model.
The practical risk is that migration projects preserve old entitlements to keep business continuity, while new cloud services add parallel paths for access, approval, and audit logging. That creates excessive privilege, unclear segregation of duties, and gaps in evidence when auditors ask who approved what, when, and under which control. The 2024 ESG Report on NHIs found that 72% of organisations have experienced or suspect a breach of non-human identities, which is a strong warning sign for hybrid SAP estates where machine access often outlives the migration plan. In practice, many teams discover these weaknesses only after a cutover exposes inherited access they never fully inventoried.
How Hybrid SAP Migrations Break Access Control and Compliance Evidence
Hybrid SAP migrations usually fail at the seams between IAM, PAM, and application governance. A role that was acceptable in an on-premises ECC environment may become too broad once the same identity can reach S/4HANA, cloud storage, integration middleware, and analytics services. Static RBAC snapshots are especially weak here because migration work is dynamic: temporary admin access, data replication jobs, interface testing, and emergency break-glass use all change weekly. OWASP’s OWASP Non-Human Identity Top 10 and NHIMG’s Top 10 NHI Issues both highlight the same operational reality: non-human access must be inventoried, scoped, and rotated continuously.
What works better in practice is a migration control model built around workload identity, short-lived secrets, and explicit approval for high-risk actions. That means:
- Mapping every SAP technical user, connector, and API principal to an owner and business purpose.
- Replacing standing access with just-in-time access for migration tasks, with automatic expiry.
- Using PAM for privileged SAP administration, including traceable session controls.
- Separating test, transport, and production access so evidence does not blur across environments.
- Aligning audit logs from SAP, cloud IAM, and CI/CD so reviewers can reconstruct the full action chain.
NIST SP 800-53 Rev. 5 remains useful for control mapping, especially around access enforcement, audit logging, and configuration management, but current guidance suggests those controls must be operationalised across both SAP and cloud control planes. These controls tend to break down when SAP interfaces are shared across business units because ownership, exception handling, and logging standards diverge faster than the migration programme can reconcile them.
Where Compliance Gaps Usually Appear During the Transition
Tighter control during migration often increases delivery overhead, requiring organisations to balance speed against evidence quality and business continuity. The hardest cases are not full cloud moves but partial transitions, where one SAP component is in cloud infrastructure, another remains on-premises, and integrations depend on legacy service accounts. That mix makes it easy for access reviews to miss inherited permissions, especially when one team manages SAP, another manages cloud identity, and a third owns the middleware.
Current guidance suggests treating the migration period as a heightened-risk control state rather than a normal operating model. That means documenting temporary exceptions, setting explicit expiry dates, and validating that each privileged account has a named owner, a purpose, and a rollback path. NHIMG’s Regulatory and Audit Perspectives section is especially relevant here because auditors rarely accept “temporary” access without evidence that the exception was reviewed and removed. Best practice is evolving, but there is no universal standard for perfectly harmonising SAP authorization objects, cloud IAM, and third-party compliance tooling yet.
Where migrations become especially fragile is when shared technical users or long-lived API keys are left in place for compatibility, because those accounts can bypass the very review process the migration was supposed to improve.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 and CSA MAESTRO address the attack and risk surface, while NIST AI RMF, NIST CSF 2.0 and NIST Zero Trust (SP 800-207) set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-01 | Hybrid SAP migrations expand non-human identity sprawl and hidden privilege. |
| CSA MAESTRO | IAM-02 | Agent and workload identity controls apply to hybrid cloud access paths. |
| NIST AI RMF | Migration risk management needs governance, mapping, and ongoing monitoring. | |
| NIST CSF 2.0 | PR.AC-4 | Least-privilege and access permissions are central to hybrid SAP control. |
| NIST Zero Trust (SP 800-207) | PR.AC-1 | Zero trust is relevant because hybrid boundaries and trust assumptions shift. |
Assign accountable owners and review AI or automation-driven access changes continuously.
Related resources from NHI Mgmt Group
- Why do hybrid cloud environments increase the risk of compliance and data privacy failures?
- Why do service accounts and secrets with standing access increase risk in cloud environments?
- Why do SAP migrations increase compliance and audit risk?
- Why do service accounts with persistent access increase risk in cloud environments?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on August 27, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
